參數(shù)資料
型號(hào): LTC2309IUF#TRPBF
廠商: Linear Technology
文件頁(yè)數(shù): 23/26頁(yè)
文件大?。?/td> 0K
描述: IC ADC 12BIT SAR 24-QFN
標(biāo)準(zhǔn)包裝: 2,500
位數(shù): 12
采樣率(每秒): 14k
數(shù)據(jù)接口: I²C,串行
轉(zhuǎn)換器數(shù)目: 1
功率耗散(最大): 15mW
電壓電源: 單電源
工作溫度: -40°C ~ 85°C
安裝類(lèi)型: 表面貼裝
封裝/外殼: 24-WFQFN 裸露焊盤(pán)
供應(yīng)商設(shè)備封裝: 24-QFN 裸露焊盤(pán)(4x4)
包裝: 帶卷 (TR)
輸入數(shù)目和類(lèi)型: 8 個(gè)單端,單極;8 個(gè)單端,雙極;4 個(gè)差分,單極;4 個(gè)差分,雙極
配用: DC1337A-ND - BOARD SAR ADC LTC2309
LTC2309
2309fd
tYpICAL peRFORMAnCe CHARACteRIstICs
Integral Nonlinearity
vs Output Code
1kHz Sine Wave
8192 Point FFT Plot
Supply Current
vs Sampling Frequency
Offset Error vs Temperature
Full-Scale Error vs Temperature
Supply Current vs Temperature
Sleep Current vs Temperature
Analog Input Leakage Current
vs Temperature
TA = 25°C, VDD = 5V, fSMPL = 14ksps, unless otherwise noted.
Differential Nonlinearity
vs Output Code
OUTPUT CODE
0
INL
(LSB)
0
0.25
0.50
4096
2309 G01
–0.25
–0.50
–1.00
1024
2048
3072
–0.75
1.00
0.75
OUTPUT CODE
0
DNL
(LSB)
0
0.25
0.50
4096
2309 G02
–0.25
–0.50
–1.00
1024
2048
3072
–0.75
1.00
0.75
FREQUENCY (kHz)
0
–140
MAGNITUDE
(dB)
–120
–100
–80
0
–40
1
3
4
7
2309 G03
–20
–60
2
5
6
SNR = 73.4dB
SINAD = 73.3dB
THD = –88dB
SAMPLING FREQUENCY (ksps)
0.1
0
SUPPLY
CURRENT
(mA)
1.5
2.0
2.5
1
10
100
3209 G04
1.0
0.5
TEMPERATURE (°C)
–50
OFFSET
ERROR
(LSB)
1.5
25
2309 G05
0
–1.0
–25
0
50
–0.5
–2.0
2.0
1.0
0.5
–0.5
75
100 125
UNIPOLAR
BIPOLAR
TEMPERATURE (°C)
–50 –25
–6
FULL-SCALE
ERROR
(LSB)
–2
4
0
50
75
2309 G06
–4
2
0
25
100 125
UNIPOLAR
BIPOLAR
TEMPERATURE (°C)
–50
1.0
SUPPLY
CURRENT
(mA)
1.2
1.6
1.8
2.0
3.0
2.4
0
50
75
2309 G07
1.4
2.6
2.8
2.2
–25
25
100 125
TEMPERATURE (°C)
–50
0
LEAKAGE
CURRENT
(nA)
100
300
400
500
1000
700
0
50
75
2309 G09
200
800
900
600
–25
25
100 125
CH (ON)
CH (OFF)
TEMPERATURE (°C)
–50 –25
0
SLEEP
CURRENT
(A)
4
10
0
50
75
2309 G08
2
8
6
25
100 125
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